Padinvert; Padisareset; Padiskey - Hand Held Products PadCom TT1500 User Manual

padInvert

Inverts an area on the LCD screen by turning all black pixels white and all white pixels black. The area to be inverted is
defined by the coordinates specified by X and Y, using the size specified by Width and Height.
Syntax
BOOL padInvert(
int X,
int Y,
int Width,
int Height
)
Parameter
X
Y
Width
Height
Returns
Returns TRUE if successful, FALSE otherwise.
See Also
padBox, padClearPixel, padFrame, padLine, padSetPixel

padIsaReset

Checks to determine if an extension card device is attached .
Syntax
BOOL padIsaReset (
WORD FAR * status
)
Parameter
status
Returns
Returns TRUE if successful, FALSE otherwise.
See Also
padWidth, padVertDPI

padIsKey

The functions checks if the DUKPT key has been set. The DUKPT key is used to secure the current transactions.
Syntax
BOOL padIsKey(
BYTE *IsKey
)
Parameter
IsKey
3 - 24
Description
Horizontal coordinate from which to start inverting
Vertical coordinate from which to start inverting
Horizontal size in pixels of the area to invert
Vertical size in pixels of the area to invert
Description
The address to contain the ISA status
Description
Pointer to a BYTE type data that returns TRUE if DUKPT is set, FALSE if it is not.